./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec8_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec8_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8a7679b9688c44fd84543e8b684d34e72b379518d806d27199a245477e871776 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:07:34,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:07:34,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:07:34,728 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:07:34,729 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:07:34,730 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:07:34,732 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:07:34,736 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:07:34,743 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:07:34,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:07:34,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:07:34,755 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:07:34,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:07:34,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:07:34,763 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:07:34,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:07:34,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:07:34,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:07:34,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:07:34,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:07:34,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:07:34,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:07:34,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:07:34,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:07:34,799 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:07:34,799 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:07:34,800 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:07:34,803 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:07:34,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:07:34,805 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:07:34,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:07:34,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:07:34,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:07:34,811 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:07:34,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:07:34,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:07:34,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:07:34,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:07:34,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:07:34,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:07:34,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:07:34,818 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 19:07:34,870 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:07:34,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:07:34,871 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:07:34,871 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:07:34,872 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:07:34,872 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:07:34,872 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:07:34,873 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 19:07:34,873 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 19:07:34,873 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 19:07:34,873 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 19:07:34,873 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 19:07:34,874 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 19:07:34,874 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:07:34,874 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:07:34,874 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:07:34,874 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:07:34,875 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:07:34,875 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:07:34,875 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 19:07:34,875 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 19:07:34,875 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 19:07:34,876 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:07:34,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:07:34,876 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 19:07:34,876 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:07:34,876 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 19:07:34,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:07:34,877 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:07:34,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:07:34,877 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:07:34,877 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:07:34,878 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 19:07:34,878 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a7679b9688c44fd84543e8b684d34e72b379518d806d27199a245477e871776 [2021-10-21 19:07:35,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:07:35,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:07:35,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:07:35,198 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:07:35,199 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:07:35,200 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/email_spec8_product16.cil.c [2021-10-21 19:07:35,282 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/data/fd0747ee9/a1e783f3475b420caefbdfcfae82008f/FLAGc19ad6c0f [2021-10-21 19:07:35,836 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:07:35,837 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/sv-benchmarks/c/product-lines/email_spec8_product16.cil.c [2021-10-21 19:07:35,860 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/data/fd0747ee9/a1e783f3475b420caefbdfcfae82008f/FLAGc19ad6c0f [2021-10-21 19:07:36,107 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/data/fd0747ee9/a1e783f3475b420caefbdfcfae82008f [2021-10-21 19:07:36,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:07:36,111 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:07:36,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:07:36,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:07:36,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:07:36,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:07:36" (1/1) ... [2021-10-21 19:07:36,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a77909c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:07:36, skipping insertion in model container [2021-10-21 19:07:36,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:07:36" (1/1) ... [2021-10-21 19:07:36,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:07:36,236 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:07:36,876 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/sv-benchmarks/c/product-lines/email_spec8_product16.cil.c[51682,51695] [2021-10-21 19:07:36,911 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:07:36,925 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:07:37,040 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/sv-benchmarks/c/product-lines/email_spec8_product16.cil.c[51682,51695] [2021-10-21 19:07:37,056 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:07:37,098 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:07:37,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:07:37 WrapperNode [2021-10-21 19:07:37,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:07:37,100 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:07:37,100 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:07:37,100 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:07:37,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:07:37" (1/1) ... [2021-10-21 19:07:37,142 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:07:37" (1/1) ... [2021-10-21 19:07:37,306 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:07:37,307 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:07:37,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:07:37,308 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:07:37,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:07:37" (1/1) ... [2021-10-21 19:07:37,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:07:37" (1/1) ... [2021-10-21 19:07:37,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:07:37" (1/1) ... [2021-10-21 19:07:37,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:07:37" (1/1) ... [2021-10-21 19:07:37,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:07:37" (1/1) ... [2021-10-21 19:07:37,470 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:07:37" (1/1) ... [2021-10-21 19:07:37,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:07:37" (1/1) ... [2021-10-21 19:07:37,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:07:37,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:07:37,516 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:07:37,516 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:07:37,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:07:37" (1/1) ... [2021-10-21 19:07:37,531 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:07:37,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:07:37,570 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:07:37,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 19:07:37,632 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-10-21 19:07:37,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:07:37,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:07:37,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:07:37,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:07:40,319 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:07:40,319 INFO L299 CfgBuilder]: Removed 295 assume(true) statements. [2021-10-21 19:07:40,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:07:40 BoogieIcfgContainer [2021-10-21 19:07:40,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:07:40,325 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 19:07:40,325 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 19:07:40,329 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 19:07:40,330 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:07:40,331 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 07:07:36" (1/3) ... [2021-10-21 19:07:40,332 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c76fb63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:07:40, skipping insertion in model container [2021-10-21 19:07:40,333 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:07:40,333 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:07:37" (2/3) ... [2021-10-21 19:07:40,334 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c76fb63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:07:40, skipping insertion in model container [2021-10-21 19:07:40,334 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:07:40,334 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:07:40" (3/3) ... [2021-10-21 19:07:40,337 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec8_product16.cil.c [2021-10-21 19:07:40,409 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 19:07:40,409 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 19:07:40,409 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 19:07:40,410 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 19:07:40,410 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 19:07:40,410 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 19:07:40,410 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 19:07:40,410 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 19:07:40,458 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 449 states, 448 states have (on average 1.7410714285714286) internal successors, (780), 448 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:07:40,555 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2021-10-21 19:07:40,555 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:07:40,555 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:07:40,568 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:07:40,568 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-21 19:07:40,568 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 19:07:40,570 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 449 states, 448 states have (on average 1.7410714285714286) internal successors, (780), 448 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:07:40,580 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2021-10-21 19:07:40,580 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:07:40,580 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:07:40,583 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:07:40,583 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-21 19:07:40,590 INFO L791 eck$LassoCheckResult]: Stem: 438#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(10);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(12);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(10);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(18);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(16);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(30);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(9);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(44);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(44);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(11);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(19);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string82.base, #t~string82.offset, 1);call write~init~int(100, #t~string82.base, 1 + #t~string82.offset, 1);call write~init~int(10, #t~string82.base, 2 + #t~string82.offset, 1);call write~init~int(0, #t~string82.base, 3 + #t~string82.offset, 1);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string85.base, #t~string85.offset, 1);call write~init~int(100, #t~string85.base, 1 + #t~string85.offset, 1);call write~init~int(10, #t~string85.base, 2 + #t~string85.offset, 1);call write~init~int(0, #t~string85.base, 3 + #t~string85.offset, 1);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(17);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(17);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(13);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(17);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string114.base, #t~string114.offset, 1);call write~init~int(115, #t~string114.base, 1 + #t~string114.offset, 1);call write~init~int(10, #t~string114.base, 2 + #t~string114.offset, 1);call write~init~int(0, #t~string114.base, 3 + #t~string114.offset, 1);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(10);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(16);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(20);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(21);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~in_encrypted~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 364#L-1true havoc main_#res;havoc main_#t~ret77, main_~retValue_acc~24, main_~tmp~9;havoc main_~retValue_acc~24;havoc main_~tmp~9; 222#L2608true havoc valid_product_#res;havoc valid_product_~retValue_acc~37;havoc valid_product_~retValue_acc~37;valid_product_~retValue_acc~37 := 1;valid_product_#res := valid_product_~retValue_acc~37; 136#L2616true main_#t~ret77 := valid_product_#res;main_~tmp~9 := main_#t~ret77;havoc main_#t~ret77; 173#L1780true assume 0 != main_~tmp~9;havoc setup_#t~nondet72, setup_#t~nondet74, setup_#t~nondet76, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 385#L1112true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 229#L1118-2true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 220#L677true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 33#L683-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string71.base, #t~string71.offset;havoc setup_#t~nondet72;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 69#L1112-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 294#L1118-5true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 145#L677-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 44#L683-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string73.base, #t~string73.offset;havoc setup_#t~nondet74;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 214#L1112-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 247#L1118-8true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 202#L677-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 326#L683-8true setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string75.base, #t~string75.offset;havoc setup_#t~nondet76; 127#L1767true havoc test_#t~nondet102, test_#t~nondet103, test_#t~nondet104, test_#t~nondet105, test_#t~nondet106, test_#t~nondet107, test_#t~nondet108, test_#t~nondet109, test_#t~nondet110, test_#t~nondet111, test_#t~nondet112, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~12, test_~tmp___0~4, test_~tmp___1~2, test_~tmp___2~1, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~12;havoc test_~tmp___0~4;havoc test_~tmp___1~2;havoc test_~tmp___2~1;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 131#L2555-1true [2021-10-21 19:07:40,591 INFO L793 eck$LassoCheckResult]: Loop: 131#L2555-1true assume !false; 88#L2410true assume test_~splverifierCounter~0 < 4; 422#L2411true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 61#L2417true assume !(0 == test_~op1~0); 210#L2430true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet103;havoc test_#t~nondet103; 304#L2435true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 131#L2555-1true [2021-10-21 19:07:40,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:07:40,598 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2021-10-21 19:07:40,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:07:40,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193290459] [2021-10-21 19:07:40,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:07:40,612 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:07:40,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:07:41,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:07:41,116 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:07:41,116 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193290459] [2021-10-21 19:07:41,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193290459] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:07:41,118 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:07:41,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:07:41,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312486689] [2021-10-21 19:07:41,167 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:07:41,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:07:41,171 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2021-10-21 19:07:41,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:07:41,171 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102423645] [2021-10-21 19:07:41,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:07:41,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:07:41,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:07:41,199 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:07:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:07:41,244 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:07:41,328 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:07:41,329 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:07:41,329 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:07:41,329 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:07:41,330 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 19:07:41,330 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:07:41,330 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:07:41,330 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:07:41,330 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product16.cil.c_Iteration1_Loop [2021-10-21 19:07:41,331 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:07:41,331 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:07:41,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:07:41,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:07:41,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:07:41,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:07:41,479 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:07:41,480 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 19:07:41,483 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:07:41,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:07:41,488 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:07:41,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 19:07:41,495 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:07:41,496 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:07:41,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:07:41,575 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:07:41,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:07:41,576 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:07:41,588 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 19:07:41,588 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:07:41,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 19:07:41,616 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 19:07:41,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:07:41,659 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:07:41,659 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:07:41,660 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:07:41,660 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:07:41,660 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:07:41,660 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:07:41,660 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:07:41,660 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:07:41,660 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product16.cil.c_Iteration1_Loop [2021-10-21 19:07:41,661 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:07:41,661 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:07:41,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:07:41,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:07:41,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:07:41,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:07:41,787 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:07:41,794 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:07:41,799 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:07:41,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:07:41,801 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:07:41,808 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:07:41,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:07:41,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:07:41,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:07:41,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:07:41,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:07:41,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 19:07:41,826 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:07:41,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:07:41,839 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:07:41,869 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 19:07:41,869 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 19:07:41,871 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:07:41,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:07:41,885 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:07:41,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 19:07:41,888 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:07:41,888 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 19:07:41,889 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:07:41,890 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2021-10-21 19:07:41,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:07:41,932 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 19:07:41,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:07:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:07:42,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:07:42,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:07:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:07:42,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:07:42,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:07:42,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:07:42,417 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 19:07:42,422 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 449 states, 448 states have (on average 1.7410714285714286) internal successors, (780), 448 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:07:42,715 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 449 states, 448 states have (on average 1.7410714285714286) internal successors, (780), 448 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1918 states and 3312 transitions. Complement of second has 7 states. [2021-10-21 19:07:42,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-21 19:07:42,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:07:42,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1854 transitions. [2021-10-21 19:07:42,723 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1854 transitions. Stem has 18 letters. Loop has 6 letters. [2021-10-21 19:07:42,724 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:07:42,724 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1854 transitions. Stem has 24 letters. Loop has 6 letters. [2021-10-21 19:07:42,725 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:07:42,725 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1854 transitions. Stem has 18 letters. Loop has 12 letters. [2021-10-21 19:07:42,726 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:07:42,727 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1918 states and 3312 transitions. [2021-10-21 19:07:42,749 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 423 [2021-10-21 19:07:42,765 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1918 states to 879 states and 1596 transitions. [2021-10-21 19:07:42,767 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 454 [2021-10-21 19:07:42,801 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 455 [2021-10-21 19:07:42,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 879 states and 1596 transitions. [2021-10-21 19:07:42,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:07:42,802 INFO L681 BuchiCegarLoop]: Abstraction has 879 states and 1596 transitions. [2021-10-21 19:07:42,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states and 1596 transitions. [2021-10-21 19:07:42,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:07:42,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 456. [2021-10-21 19:07:42,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 456 states have (on average 1.8092105263157894) internal successors, (825), 455 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:07:42,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 825 transitions. [2021-10-21 19:07:42,931 INFO L704 BuchiCegarLoop]: Abstraction has 456 states and 825 transitions. [2021-10-21 19:07:42,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:07:42,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:07:42,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:07:42,938 INFO L87 Difference]: Start difference. First operand 456 states and 825 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:07:43,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:07:43,011 INFO L93 Difference]: Finished difference Result 892 states and 1615 transitions. [2021-10-21 19:07:43,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:07:43,012 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 892 states and 1615 transitions. [2021-10-21 19:07:43,021 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 424 [2021-10-21 19:07:43,037 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 892 states to 892 states and 1615 transitions. [2021-10-21 19:07:43,037 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 466 [2021-10-21 19:07:43,039 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 466 [2021-10-21 19:07:43,039 INFO L73 IsDeterministic]: Start isDeterministic. Operand 892 states and 1615 transitions. [2021-10-21 19:07:43,040 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:07:43,040 INFO L681 BuchiCegarLoop]: Abstraction has 892 states and 1615 transitions. [2021-10-21 19:07:43,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states and 1615 transitions. [2021-10-21 19:07:43,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 455. [2021-10-21 19:07:43,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 455 states have (on average 1.8043956043956044) internal successors, (821), 454 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:07:43,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 821 transitions. [2021-10-21 19:07:43,065 INFO L704 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2021-10-21 19:07:43,065 INFO L587 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2021-10-21 19:07:43,065 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 19:07:43,066 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 455 states and 821 transitions. [2021-10-21 19:07:43,069 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2021-10-21 19:07:43,069 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:07:43,070 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:07:43,073 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:07:43,073 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:07:43,073 INFO L791 eck$LassoCheckResult]: Stem: 4266#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(10);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(12);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(10);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(18);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(16);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(30);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(9);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(44);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(44);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(11);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(19);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string82.base, #t~string82.offset, 1);call write~init~int(100, #t~string82.base, 1 + #t~string82.offset, 1);call write~init~int(10, #t~string82.base, 2 + #t~string82.offset, 1);call write~init~int(0, #t~string82.base, 3 + #t~string82.offset, 1);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string85.base, #t~string85.offset, 1);call write~init~int(100, #t~string85.base, 1 + #t~string85.offset, 1);call write~init~int(10, #t~string85.base, 2 + #t~string85.offset, 1);call write~init~int(0, #t~string85.base, 3 + #t~string85.offset, 1);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(17);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(17);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(13);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(17);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string114.base, #t~string114.offset, 1);call write~init~int(115, #t~string114.base, 1 + #t~string114.offset, 1);call write~init~int(10, #t~string114.base, 2 + #t~string114.offset, 1);call write~init~int(0, #t~string114.base, 3 + #t~string114.offset, 1);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(10);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(16);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(20);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(21);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~in_encrypted~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 4216#L-1 havoc main_#res;havoc main_#t~ret77, main_~retValue_acc~24, main_~tmp~9;havoc main_~retValue_acc~24;havoc main_~tmp~9; 3852#L2608 havoc valid_product_#res;havoc valid_product_~retValue_acc~37;havoc valid_product_~retValue_acc~37;valid_product_~retValue_acc~37 := 1;valid_product_#res := valid_product_~retValue_acc~37; 3853#L2616 main_#t~ret77 := valid_product_#res;main_~tmp~9 := main_#t~ret77;havoc main_#t~ret77; 4227#L1780 assume 0 != main_~tmp~9;havoc setup_#t~nondet72, setup_#t~nondet74, setup_#t~nondet76, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 4234#L1112 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3890#L1118-2 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 3849#L677 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3850#L683-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string71.base, #t~string71.offset;havoc setup_#t~nondet72;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 3964#L1112-2 assume !(1 == setClientId_~handle); 3918#L1115-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 3919#L1118-5 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 4103#L677-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3996#L683-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string73.base, #t~string73.offset;havoc setup_#t~nondet74;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 3826#L1112-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3827#L1118-8 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 3969#L677-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4130#L683-8 setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string75.base, #t~string75.offset;havoc setup_#t~nondet76; 4157#L1767 havoc test_#t~nondet102, test_#t~nondet103, test_#t~nondet104, test_#t~nondet105, test_#t~nondet106, test_#t~nondet107, test_#t~nondet108, test_#t~nondet109, test_#t~nondet110, test_#t~nondet111, test_#t~nondet112, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~12, test_~tmp___0~4, test_~tmp___1~2, test_~tmp___2~1, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~12;havoc test_~tmp___0~4;havoc test_~tmp___1~2;havoc test_~tmp___2~1;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 4211#L2555-1 assume !false; 4138#L2410 [2021-10-21 19:07:43,074 INFO L793 eck$LassoCheckResult]: Loop: 4138#L2410 assume test_~splverifierCounter~0 < 4; 4139#L2411 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 4065#L2417 assume !(0 == test_~op1~0); 3900#L2430 assume !(0 == test_~op2~0); 4121#L2441 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet104;havoc test_#t~nondet104; 4188#L2446 assume 0 != test_~tmp___7~0;setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := ~rjh~0, 0;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 4073#L677-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4074#L683-11 test_~op3~0 := 1; 3863#L2555-1 assume !false; 4138#L2410 [2021-10-21 19:07:43,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:07:43,075 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2021-10-21 19:07:43,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:07:43,076 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593672432] [2021-10-21 19:07:43,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:07:43,076 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:07:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:07:43,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:07:43,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:07:43,209 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593672432] [2021-10-21 19:07:43,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593672432] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:07:43,210 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:07:43,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:07:43,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118830613] [2021-10-21 19:07:43,211 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:07:43,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:07:43,212 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2021-10-21 19:07:43,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:07:43,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868200927] [2021-10-21 19:07:43,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:07:43,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:07:43,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:07:43,227 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:07:43,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:07:43,264 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:07:43,390 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:07:43,391 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:07:43,391 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:07:43,391 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:07:43,391 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 19:07:43,391 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:07:43,392 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:07:43,392 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:07:43,392 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product16.cil.c_Iteration2_Loop [2021-10-21 19:07:43,392 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:07:43,392 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:07:43,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:07:43,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:07:43,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:07:43,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:07:43,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:07:43,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:07:43,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:07:43,567 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:07:43,567 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 19:07:43,567 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:07:43,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:07:43,569 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:07:43,604 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:07:43,604 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:07:43,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 19:07:43,629 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 19:07:43,630 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet104=-3, ULTIMATE.start_test_~tmp___7~0=-3} Honda state: {ULTIMATE.start_test_#t~nondet104=-3, ULTIMATE.start_test_~tmp___7~0=-3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 19:07:43,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:07:43,667 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:07:43,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:07:43,671 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:07:43,678 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:07:43,678 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:07:43,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 19:07:43,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 19:07:43,740 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:07:43,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:07:43,741 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:07:43,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 19:07:43,743 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 19:07:43,743 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:07:43,811 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 19:07:43,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-10-21 19:07:43,820 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:07:43,821 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:07:43,821 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:07:43,821 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:07:43,821 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:07:43,821 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:07:43,821 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:07:43,821 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:07:43,821 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product16.cil.c_Iteration2_Loop [2021-10-21 19:07:43,822 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:07:43,822 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:07:43,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:07:43,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:07:43,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:07:43,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:07:43,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:07:43,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:07:43,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:07:44,004 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:07:44,005 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:07:44,005 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:07:44,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:07:44,009 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:07:44,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 19:07:44,011 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:07:44,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:07:44,038 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:07:44,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:07:44,038 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-21 19:07:44,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:07:44,041 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:07:44,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:07:44,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:07:44,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 19:07:44,099 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:07:44,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:07:44,101 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:07:44,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 19:07:44,108 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:07:44,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:07:44,118 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:07:44,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:07:44,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:07:44,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:07:44,120 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:07:44,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:07:44,135 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:07:44,148 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 19:07:44,149 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 19:07:44,149 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:07:44,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:07:44,150 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:07:44,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 19:07:44,157 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:07:44,159 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 19:07:44,159 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:07:44,159 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2021-10-21 19:07:44,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 19:07:44,195 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 19:07:44,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:07:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:07:44,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:07:44,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:07:44,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:07:44,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:07:44,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:07:44,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-21 19:07:44,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:07:44,653 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-21 19:07:44,653 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368 Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:07:44,697 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 883 states and 1601 transitions. Complement of second has 6 states. [2021-10-21 19:07:44,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-21 19:07:44,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:07:44,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 433 transitions. [2021-10-21 19:07:44,699 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 9 letters. [2021-10-21 19:07:44,700 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:07:44,700 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 29 letters. Loop has 9 letters. [2021-10-21 19:07:44,701 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:07:44,701 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 18 letters. [2021-10-21 19:07:44,702 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:07:44,702 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 883 states and 1601 transitions. [2021-10-21 19:07:44,712 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:07:44,712 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 883 states to 0 states and 0 transitions. [2021-10-21 19:07:44,713 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 19:07:44,713 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 19:07:44,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 19:07:44,713 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:07:44,713 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:07:44,713 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:07:44,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:07:44,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:07:44,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:07:44,715 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:07:44,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:07:44,715 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-21 19:07:44,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 19:07:44,715 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-21 19:07:44,716 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:07:44,716 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:07:44,716 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 19:07:44,716 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 19:07:44,716 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 19:07:44,716 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:07:44,717 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:07:44,717 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:07:44,717 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:07:44,717 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-21 19:07:44,717 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:07:44,717 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:07:44,718 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 19:07:44,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 07:07:44 BoogieIcfgContainer [2021-10-21 19:07:44,724 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 19:07:44,725 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:07:44,725 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:07:44,725 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:07:44,726 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:07:40" (3/4) ... [2021-10-21 19:07:44,729 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:07:44,729 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:07:44,731 INFO L168 Benchmark]: Toolchain (without parser) took 8618.92 ms. Allocated memory was 130.0 MB in the beginning and 190.8 MB in the end (delta: 60.8 MB). Free memory was 92.5 MB in the beginning and 124.7 MB in the end (delta: -32.2 MB). Peak memory consumption was 28.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:07:44,732 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 83.9 MB. Free memory is still 39.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:07:44,733 INFO L168 Benchmark]: CACSL2BoogieTranslator took 977.25 ms. Allocated memory is still 130.0 MB. Free memory was 92.3 MB in the beginning and 79.0 MB in the end (delta: 13.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:07:44,734 INFO L168 Benchmark]: Boogie Procedure Inliner took 206.42 ms. Allocated memory is still 130.0 MB. Free memory was 79.0 MB in the beginning and 69.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:07:44,734 INFO L168 Benchmark]: Boogie Preprocessor took 208.15 ms. Allocated memory is still 130.0 MB. Free memory was 69.9 MB in the beginning and 62.9 MB in the end (delta: 7.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:07:44,735 INFO L168 Benchmark]: RCFGBuilder took 2807.69 ms. Allocated memory was 130.0 MB in the beginning and 190.8 MB in the end (delta: 60.8 MB). Free memory was 62.2 MB in the beginning and 109.6 MB in the end (delta: -47.4 MB). Peak memory consumption was 38.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:07:44,736 INFO L168 Benchmark]: BuchiAutomizer took 4399.44 ms. Allocated memory is still 190.8 MB. Free memory was 109.6 MB in the beginning and 124.7 MB in the end (delta: -15.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:07:44,737 INFO L168 Benchmark]: Witness Printer took 4.54 ms. Allocated memory is still 190.8 MB. Free memory is still 124.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:07:44,740 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 83.9 MB. Free memory is still 39.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 977.25 ms. Allocated memory is still 130.0 MB. Free memory was 92.3 MB in the beginning and 79.0 MB in the end (delta: 13.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 206.42 ms. Allocated memory is still 130.0 MB. Free memory was 79.0 MB in the beginning and 69.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 208.15 ms. Allocated memory is still 130.0 MB. Free memory was 69.9 MB in the beginning and 62.9 MB in the end (delta: 7.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2807.69 ms. Allocated memory was 130.0 MB in the beginning and 190.8 MB in the end (delta: 60.8 MB). Free memory was 62.2 MB in the beginning and 109.6 MB in the end (delta: -47.4 MB). Peak memory consumption was 38.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4399.44 ms. Allocated memory is still 190.8 MB. Free memory was 109.6 MB in the beginning and 124.7 MB in the end (delta: -15.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.54 ms. Allocated memory is still 190.8 MB. Free memory is still 124.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function 7 + -2 * splverifierCounter and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.0s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 121.7ms AutomataMinimizationTime, 2 MinimizatonAttempts, 860 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 455 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2763 SDtfs, 2343 SDslu, 3347 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 31.9ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 54ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 19:07:44,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fb709a0-a8b4-4b08-a85d-ff830295b12a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...